15997655737791

Names of 15997655737791

• Cardinal: 15997655737791 can be written as Fifteen trillion, nine hundred ninety-seven billion, six hundred fifty-five million, seven hundred thirty-seven thousand, seven hundred ninety-one.

Scientific notation

• Scientific notation: 1.5997655737791 × 10¹³

Factors of 15997655737791

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 336

Divisors of 15997655737791

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 21 39 49 63 91 117 147 169 273 313 343 441 507 637 819 939 1029 1183 1521 1911 2191 2817 3087 3549 4069 4459 5733 6573 8281 10647 12207 13377 15337 19719 24843 28483 36621 40131 46011 52897 57967 74529 85449 97969 107359 138033 158691 173901 199381 256347 293907 322077 370279 476073 521703 598143 685783 881721 966231 1110837 1273597 1395667 1794429 2057349 2591953 3332511 3820791 4187001 4800481 6172047 7775859 8915179 11462373 12561003 14401443 16556761 18143671 23327577 26745537 30664297 33603367 43204329 49670283 54431013 62406253 80236611 91992891 100810101 115897327 149010849 163293039 187218759 214650079 275978673 302430303 347691981 398635861 436843771 561656277 643950237 811281289 1043075943 1195907583 1310531313 1502550553 1931850711 2433843867 2790451027 3587722749 3931593939 4507651659 5182266193 5678969023 7301531601 8371353081 10517853871 13522954977 15546798579 17036907069 19533157189 25114059243 31553561613 36275863351 46640395737 51110721207 58599471567 94660684839 108827590053 136732100323 175798414701 253931043457 326482770159 410196300969 761793130371 1230588902907 1777517304199 2285379391113 5332551912597 15997655737791
• Sum of all divisors σ(n): 29273671128000
• Sum of proper divisors (its aliquot sum) s(n): 13276015390209
• 15997655737791 is a deficient number, because the sum of its proper divisors (13276015390209) is less than itself. Its deficiency is 2721640347582

Bases of 15997655737791

• Binary: 11101000110010111110100101100110010110111111₂
• Hexadecimal: 0xE8CBE9665BF
• Base-36: 5O57Z6G1R

Squares and roots of 15997655737791

• 15997655737791 squared (15997655737791²) is 255924989104877304545559681
• 15997655737791 cubed (15997655737791³) is 4094199870397739572126326956521077604671
• The square root of 15997655737791 is 3999706.9564895625
• The cube root of 15997655737791 is 25197.1902772455

Scales and comparisons

• 15,997,655,737,791 seconds is equal to 508,675 years, 50 weeks, 2 days, 12 hours, 29 minutes, 51 seconds.
• To count from 1 to 15,997,655,737,791 would take you about one million, two hundred seventy-one thousand, six hundred eighty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 15997655737791 cubic inches would be around 2099.8 feet tall.

Recreational maths with 15997655737791

• 15997655737791 backwards is 19773755679951
• The number of decimal digits it has is: 14
• The sum of 15997655737791's digits is 81
• More coming soon!